Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Johannes R. Reiner"'
Autor:
Dhandapani Ganapathy, Soundararasu Senthilkumar, Johannes R. Reiner, Guillermo Valdomir, Lutz F. Tietze
Publikováno v:
Chemistry - A European Journal. 23:2299-2302
The first enantioselective total synthesis of natural dicerandrol C (1 c) as its enantiomer containing a dimeric tetrahydroxanthenone skeleton is described starting from the enantiopure chromane 6 which was obtained through a Wacker-type cyclization
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::875c80a6ae11752ebb4e6f2d91347942
https://doi.org/10.1002/chem.201700020
https://doi.org/10.1002/chem.201700020
Publikováno v:
Synlett. 27:96-100
A formal synthesis of (–)-siccanin was achieved through an enantioselective domino Wacker/carbonylation/methoxylation reaction as the key step to form the chroman ring with a quaternary stereogenic center with 95% ee. The pendant cyclohexyl moiety
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c8e972c276a1aa1c175c569be7500c9
https://doi.org/10.1055/s-0035-1560752
https://doi.org/10.1055/s-0035-1560752
Autor:
Boopathy Gnanaprakasam, Lutz F. Tietze, Ingo Koehne, Lorenz E. Löffler, Ling Ma, Dhandapani Ganapathy, Johannes R. Reiner, Benedikt Niepötter
Publikováno v:
Chemistry - A European Journal. 21:16807-16810
The first enantioselective synthesis of a secalonic acid containing a dimeric tetrahydroxanthenone skeleton is described, using a Wacker-type cyclization of a methoxyphenolic compound to form a chiral chroman with a quaternary carbon stereogenic cent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bcf077ae87dd76846cfce534c3751377
https://doi.org/10.1002/chem.201503593
https://doi.org/10.1002/chem.201503593
Autor:
Ingo Koehne, Ling Ma, Lorenz E. Loeffler, Dhandapani Ganapathy, Boopathy Gnanaprakasam, Johannes R. Reiner, Benedikt Niepoetter, Lutz F. Tietze
Publikováno v:
ChemInform. 47
Secalonic acid E is obtained in 18 steps using a Wacker-type cyclization of a methoxyphenolic compound for the construction of a chiral chroman.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e7a0698a60891925d33ac17039942a7
https://doi.org/10.1002/chin.201615199
https://doi.org/10.1002/chin.201615199
Publikováno v:
ChemInform. 44
Novel acronycine/duocarmycin hybrid compound (I) is synthesized that reveals a slightly higher cytotoxicity than acronycine.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42c6a5de23312cfc47c3271cfa2de80e
https://doi.org/10.1002/chin.201316191
https://doi.org/10.1002/chin.201316191
Publikováno v:
Chemistry (Weinheim an der Bergstrasse, Germany). 19(26)
Blennolide A can be synthesized through an enantioselective domino-Wacker/carbonylation/methoxylation reaction of 7 a with 96 % ee and an enantioselective Wacker oxidation of 7 b with 89 % ee. Further transformations led to the α,β-unsaturated este
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc898221843bc2e2517863fb38332ec5
https://pubmed.ncbi.nlm.nih.gov/23649592
https://pubmed.ncbi.nlm.nih.gov/23649592
Autor:
Christian Raith, Johannes R. Reiner, Lutz F. Tietze, Dirk A. Spiegl, Stefan Jackenkroll, Maria Claudia Ochoa Campos
Publikováno v:
Chemistry (Weinheim an der Bergstrasse, Germany). 19(15)
For the synthesis of (-)-diversonol (ent-1), an enantioselective domino-Wacker/carbonylation/methoxylation reaction and an enantioselective Wacker oxidation were used to give the chroman in high yield and 96% and 93% ee, respectively. Dihydroxylation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e428e030cd16520f4a10662a381cf35
https://pubmed.ncbi.nlm.nih.gov/23417866
https://pubmed.ncbi.nlm.nih.gov/23417866
Autor:
Lutz F. Tietze, Sven Heidemann, Ling Ma, Stefan Jackenkroll, Johannes R. Reiner, Boopathy Gnanaprakasam, Judith Hierold
Publikováno v:
HETEROCYCLES. 88:1101
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c11704c8cb74e8724a1a924b499e5d6
https://doi.org/10.3987/com-13-s(s)68
https://doi.org/10.3987/com-13-s(s)68
Publikováno v:
HETEROCYCLES. 86:425
Experimental methods: All air-sensitive reactions were performed under an argon atmosphere in flame-dried flasks and the reactants were introduced by syringe or transfer cannula. All solvents were dried by standard methods and the reagents obtained f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69fca9be1ebf9393f2c65a74d33a66ce
https://doi.org/10.3987/com-12-s(n)37
https://doi.org/10.3987/com-12-s(n)37